1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
; Basic block #2 should not be merged into BB #3!
;
; RUN: opt < %s -simplifycfg -S | FileCheck %s
declare void @foo()
define void @cprop_test12(i32* %data) {
bb0:
%reg108 = load i32* %data ; <i32> [#uses=2]
%cond218 = icmp ne i32 %reg108, 5 ; <i1> [#uses=1]
br i1 %cond218, label %bb3, label %bb2
bb2: ; preds = %bb0
call void @foo( )
; CHECK: br label %bb3
br label %bb3
bb3: ; preds = %bb2, %bb0
%reg117 = phi i32 [ 110, %bb2 ], [ %reg108, %bb0 ] ; <i32> [#uses=1]
store i32 %reg117, i32* %data
ret void
}
|
